Why did many immigrants come to america in the 1800s? a. to fill new jobs in agriculture b. to mine for silver and gold c. to work in factories d. to settle on the mississippi river

Compounds which are found naturally in the earth are called: a. ores b. composites c. rocks d.minerals

Which age groups shows the graestest diferrence between males and females

The declining axolotl population in mexico city is an example of in overcrowded cities. a. the surpassing of support capacity b. changes to natural environments and native species c. the lack of safe homes and tenured spaces d. the effects of a growing urban heat island